| | | Family | Ranunculaceae | | Plant Type | herbaceous perennial | | Zone | USDA: 3a - 8b RHS: H EGF: H1 - H4 Australia: 1 - 2 | | Care Level | low, easy, suitable for beginners. | | Height | 60 - 75 cm (2 - 2.5 ft) | | Spread | 30 - 60 cm (1 - 2 ft) | | Light | full sun | | Soil Moisture | average, well-drained | | Soil Type | | | Soil pH | acidic to alkaline | | | Description | The herbaceous perennial Aquilegia vulgaris var. flore-pleno 'Blue Bonnet' (columbine) bears showy flowers during mid-spring to late spring. | | Cautions | Depending upon your local conditions, Aquilegia vulgaris var. flore-pleno 'Blue Bonnet' (columbine) may be invasive. | | |